title: The burden and impact of COPD in Asia and Africa.
mesh_terms: D000328:Adult; D000349:Africa / Q000453:epidemiology; D017677:Age Distribution; D000368:Aged; D001208:Asia / Q000453:epidemiology; D003906:Developing Countries; D005260:Female; D006801:Humans; D015994:Incidence; D008297:Male; D008875:Middle Aged; D029424:Pulmonary Disease, Chronic Obstructive / Q000175:diagnosis* / Q000453:epidemiology* / Q000628:therapy; D012307:Risk Factors; D012720:Severity of Illness Index; D017678:Sex Distribution; D012959:Socioeconomic Factors; D016019:Survival Analysis